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amesos_colamd.c File Reference
#include "amesos_colamd.h"
#include <limits.h>
#include <math.h>
#include <stdio.h>
#include "amesos_UFconfig.h"
Include dependency graph for amesos_colamd.c:

Go to the source code of this file.

Classes

struct  Colamd_Col_struct
 
struct  Colamd_Row_struct
 

Macros

#define NDEBUG
 
#define NULL   ((void *) 0)
 
#define Int   int
 
#define ID   "%d"
 
#define Int_MAX   INT_MAX
 
#define COLAMD_recommended   amesos_colamd_recommended
 
#define COLAMD_set_defaults   amesos_colamd_set_defaults
 
#define COLAMD_MAIN   amesos_colamd
 
#define SYMAMD_MAIN   amesos_symamd
 
#define COLAMD_report   amesos_colamd_report
 
#define SYMAMD_report   amesos_symamd_report
 
#define PUBLIC
 
#define PRIVATE   static
 
#define DENSE_DEGREE(alpha, n)   ((Int) MAX (16.0, (alpha) * sqrt ((double) (n))))
 
#define MAX(a, b)   (((a) > (b)) ? (a) : (b))
 
#define MIN(a, b)   (((a) < (b)) ? (a) : (b))
 
#define ONES_COMPLEMENT(r)   (-(r)-1)
 
#define TRUE   (1)
 
#define FALSE   (0)
 
#define EMPTY   (-1)
 
#define ALIVE   (0)
 
#define DEAD   (-1)
 
#define DEAD_PRINCIPAL   (-1)
 
#define DEAD_NON_PRINCIPAL   (-2)
 
#define ROW_IS_DEAD(r)   ROW_IS_MARKED_DEAD (Row[r].shared2.mark)
 
#define ROW_IS_MARKED_DEAD(row_mark)   (row_mark < ALIVE)
 
#define ROW_IS_ALIVE(r)   (Row [r].shared2.mark >= ALIVE)
 
#define COL_IS_DEAD(c)   (Col [c].start < ALIVE)
 
#define COL_IS_ALIVE(c)   (Col [c].start >= ALIVE)
 
#define COL_IS_DEAD_PRINCIPAL(c)   (Col [c].start == DEAD_PRINCIPAL)
 
#define KILL_ROW(r)   { Row [r].shared2.mark = DEAD ; }
 
#define KILL_PRINCIPAL_COL(c)   { Col [c].start = DEAD_PRINCIPAL ; }
 
#define KILL_NON_PRINCIPAL_COL(c)   { Col [c].start = DEAD_NON_PRINCIPAL ; }
 
#define INDEX(i)   (i)
 
#define PRINTF(params)   { if (amesos_colamd_printf != NULL) (void) amesos_colamd_printf params ; }
 
#define DEBUG0(params)   ;
 
#define DEBUG1(params)   ;
 
#define DEBUG2(params)   ;
 
#define DEBUG3(params)   ;
 
#define DEBUG4(params)   ;
 
#define ASSERT(expression)
 
#define COLAMD_C(n_col, ok)   ((t_mult (t_add (n_col, 1, ok), sizeof (Colamd_Col), ok) / sizeof (Int)))
 
#define COLAMD_R(n_row, ok)   ((t_mult (t_add (n_row, 1, ok), sizeof (Colamd_Row), ok) / sizeof (Int)))
 

Typedefs

typedef struct Colamd_Col_struct Colamd_Col
 
typedef struct Colamd_Row_struct Colamd_Row
 

Functions

PRIVATE Int init_rows_cols (Int n_row, Int n_col, Colamd_Row Row[], Colamd_Col Col[], Int A[], Int p[], Int stats[COLAMD_STATS])
 
PRIVATE void init_scoring (Int n_row, Int n_col, Colamd_Row Row[], Colamd_Col Col[], Int A[], Int head[], double knobs[COLAMD_KNOBS], Int *p_n_row2, Int *p_n_col2, Int *p_max_deg)
 
PRIVATE Int find_ordering (Int n_row, Int n_col, Int Alen, Colamd_Row Row[], Colamd_Col Col[], Int A[], Int head[], Int n_col2, Int max_deg, Int pfree, Int aggressive)
 
PRIVATE void order_children (Int n_col, Colamd_Col Col[], Int p[])
 
PRIVATE void detect_super_cols (Colamd_Col Col[], Int A[], Int head[], Int row_start, Int row_length)
 
PRIVATE Int garbage_collection (Int n_row, Int n_col, Colamd_Row Row[], Colamd_Col Col[], Int A[], Int *pfree)
 
PRIVATE Int clear_mark (Int tag_mark, Int max_mark, Int n_row, Colamd_Row Row[])
 
PRIVATE void print_report (char *method, Int stats[COLAMD_STATS])
 
static size_t t_add (size_t a, size_t b, int *ok)
 
static size_t t_mult (size_t a, size_t k, int *ok)
 
PUBLIC size_t COLAMD_recommended (Int nnz, Int n_row, Int n_col)
 
PUBLIC void COLAMD_set_defaults (double knobs[COLAMD_KNOBS])
 
PUBLIC Int SYMAMD_MAIN (Int n, Int A[], Int p[], Int perm[], double knobs[COLAMD_KNOBS], Int stats[COLAMD_STATS], void *(*allocate)(size_t, size_t), void(*release)(void *))
 
PUBLIC Int COLAMD_MAIN (Int n_row, Int n_col, Int Alen, Int A[], Int p[], double knobs[COLAMD_KNOBS], Int stats[COLAMD_STATS])
 
PUBLIC void COLAMD_report (Int stats[COLAMD_STATS])
 
PUBLIC void SYMAMD_report (Int stats[COLAMD_STATS])
 

Macro Definition Documentation

#define NDEBUG

Definition at line 626 of file amesos_colamd.c.

#define NULL   ((void *) 0)

Definition at line 680 of file amesos_colamd.c.

#define Int   int

Definition at line 705 of file amesos_colamd.c.

#define ID   "%d"

Definition at line 706 of file amesos_colamd.c.

#define Int_MAX   INT_MAX

Definition at line 707 of file amesos_colamd.c.

#define COLAMD_recommended   amesos_colamd_recommended

Definition at line 709 of file amesos_colamd.c.

#define COLAMD_set_defaults   amesos_colamd_set_defaults

Definition at line 710 of file amesos_colamd.c.

#define COLAMD_MAIN   amesos_colamd

Definition at line 711 of file amesos_colamd.c.

#define SYMAMD_MAIN   amesos_symamd

Definition at line 712 of file amesos_colamd.c.

#define COLAMD_report   amesos_colamd_report

Definition at line 713 of file amesos_colamd.c.

#define SYMAMD_report   amesos_symamd_report

Definition at line 714 of file amesos_colamd.c.

#define PUBLIC

Definition at line 780 of file amesos_colamd.c.

#define PRIVATE   static

Definition at line 781 of file amesos_colamd.c.

#define DENSE_DEGREE (   alpha,
  n 
)    ((Int) MAX (16.0, (alpha) * sqrt ((double) (n))))

Definition at line 783 of file amesos_colamd.c.

#define MAX (   a,
  b 
)    (((a) > (b)) ? (a) : (b))

Definition at line 786 of file amesos_colamd.c.

#define MIN (   a,
  b 
)    (((a) < (b)) ? (a) : (b))

Definition at line 787 of file amesos_colamd.c.

#define ONES_COMPLEMENT (   r)    (-(r)-1)

Definition at line 789 of file amesos_colamd.c.

#define TRUE   (1)

Definition at line 796 of file amesos_colamd.c.

#define FALSE   (0)

Definition at line 800 of file amesos_colamd.c.

#define EMPTY   (-1)

Definition at line 805 of file amesos_colamd.c.

#define ALIVE   (0)

Definition at line 808 of file amesos_colamd.c.

#define DEAD   (-1)

Definition at line 809 of file amesos_colamd.c.

#define DEAD_PRINCIPAL   (-1)

Definition at line 812 of file amesos_colamd.c.

#define DEAD_NON_PRINCIPAL   (-2)

Definition at line 813 of file amesos_colamd.c.

#define ROW_IS_DEAD (   r)    ROW_IS_MARKED_DEAD (Row[r].shared2.mark)

Definition at line 816 of file amesos_colamd.c.

#define ROW_IS_MARKED_DEAD (   row_mark)    (row_mark < ALIVE)

Definition at line 817 of file amesos_colamd.c.

#define ROW_IS_ALIVE (   r)    (Row [r].shared2.mark >= ALIVE)

Definition at line 818 of file amesos_colamd.c.

#define COL_IS_DEAD (   c)    (Col [c].start < ALIVE)

Definition at line 819 of file amesos_colamd.c.

#define COL_IS_ALIVE (   c)    (Col [c].start >= ALIVE)

Definition at line 820 of file amesos_colamd.c.

#define COL_IS_DEAD_PRINCIPAL (   c)    (Col [c].start == DEAD_PRINCIPAL)

Definition at line 821 of file amesos_colamd.c.

#define KILL_ROW (   r)    { Row [r].shared2.mark = DEAD ; }

Definition at line 822 of file amesos_colamd.c.

#define KILL_PRINCIPAL_COL (   c)    { Col [c].start = DEAD_PRINCIPAL ; }

Definition at line 823 of file amesos_colamd.c.

#define KILL_NON_PRINCIPAL_COL (   c)    { Col [c].start = DEAD_NON_PRINCIPAL ; }

Definition at line 824 of file amesos_colamd.c.

#define INDEX (   i)    (i)

Definition at line 835 of file amesos_colamd.c.

#define PRINTF (   params)    { if (amesos_colamd_printf != NULL) (void) amesos_colamd_printf params ; }

Definition at line 839 of file amesos_colamd.c.

#define DEBUG0 (   params)    ;

Definition at line 1004 of file amesos_colamd.c.

#define DEBUG1 (   params)    ;

Definition at line 1005 of file amesos_colamd.c.

#define DEBUG2 (   params)    ;

Definition at line 1006 of file amesos_colamd.c.

#define DEBUG3 (   params)    ;

Definition at line 1007 of file amesos_colamd.c.

#define DEBUG4 (   params)    ;

Definition at line 1008 of file amesos_colamd.c.

#define ASSERT (   expression)

Definition at line 1010 of file amesos_colamd.c.

#define COLAMD_C (   n_col,
  ok 
)    ((t_mult (t_add (n_col, 1, ok), sizeof (Colamd_Col), ok) / sizeof (Int)))

Definition at line 1058 of file amesos_colamd.c.

#define COLAMD_R (   n_row,
  ok 
)    ((t_mult (t_add (n_row, 1, ok), sizeof (Colamd_Row), ok) / sizeof (Int)))

Definition at line 1061 of file amesos_colamd.c.

Typedef Documentation

typedef struct Colamd_Col_struct Colamd_Col
typedef struct Colamd_Row_struct Colamd_Row

Function Documentation

PRIVATE Int init_rows_cols ( Int  n_row,
Int  n_col,
Colamd_Row  Row[],
Colamd_Col  Col[],
Int  A[],
Int  p[],
Int  stats[COLAMD_STATS] 
)

Definition at line 1681 of file amesos_colamd.c.

PRIVATE void init_scoring ( Int  n_row,
Int  n_col,
Colamd_Row  Row[],
Colamd_Col  Col[],
Int  A[],
Int  head[],
double  knobs[COLAMD_KNOBS],
Int *  p_n_row2,
Int *  p_n_col2,
Int *  p_max_deg 
)

Definition at line 1918 of file amesos_colamd.c.

PRIVATE Int find_ordering ( Int  n_row,
Int  n_col,
Int  Alen,
Colamd_Row  Row[],
Colamd_Col  Col[],
Int  A[],
Int  head[],
Int  n_col2,
Int  max_deg,
Int  pfree,
Int  aggressive 
)

Definition at line 2193 of file amesos_colamd.c.

PRIVATE void order_children ( Int  n_col,
Colamd_Col  Col[],
Int  p[] 
)

Definition at line 2758 of file amesos_colamd.c.

PRIVATE void detect_super_cols ( Colamd_Col  Col[],
Int  A[],
Int  head[],
Int  row_start,
Int  row_length 
)

Definition at line 2859 of file amesos_colamd.c.

PRIVATE Int garbage_collection ( Int  n_row,
Int  n_col,
Colamd_Row  Row[],
Colamd_Col  Col[],
Int  A[],
Int *  pfree 
)

Definition at line 3016 of file amesos_colamd.c.

PRIVATE Int clear_mark ( Int  tag_mark,
Int  max_mark,
Int  n_row,
Colamd_Row  Row[] 
)

Definition at line 3148 of file amesos_colamd.c.

PRIVATE void print_report ( char *  method,
Int  stats[COLAMD_STATS] 
)

Definition at line 3183 of file amesos_colamd.c.

static size_t t_add ( size_t  a,
size_t  b,
int *  ok 
)
static

Definition at line 1040 of file amesos_colamd.c.

static size_t t_mult ( size_t  a,
size_t  k,
int *  ok 
)
static

Definition at line 1047 of file amesos_colamd.c.

PUBLIC size_t COLAMD_recommended ( Int  nnz,
Int  n_row,
Int  n_col 
)

Definition at line 1066 of file amesos_colamd.c.

PUBLIC void COLAMD_set_defaults ( double  knobs[COLAMD_KNOBS])

Definition at line 1120 of file amesos_colamd.c.

PUBLIC Int SYMAMD_MAIN ( Int  n,
Int  A[],
Int  p[],
Int  perm[],
double  knobs[COLAMD_KNOBS],
Int  stats[COLAMD_STATS],
void *(*)(size_t, size_t)  allocate,
void(*)(void *)  release 
)

Definition at line 1149 of file amesos_colamd.c.

PUBLIC Int COLAMD_MAIN ( Int  n_row,
Int  n_col,
Int  Alen,
Int  A[],
Int  p[],
double  knobs[COLAMD_KNOBS],
Int  stats[COLAMD_STATS] 
)

Definition at line 1469 of file amesos_colamd.c.

PUBLIC void COLAMD_report ( Int  stats[COLAMD_STATS])

Definition at line 1638 of file amesos_colamd.c.

PUBLIC void SYMAMD_report ( Int  stats[COLAMD_STATS])

Definition at line 1651 of file amesos_colamd.c.

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